For the topology given in the figure, use Bellman Ford equation and calculate the min cost path from node A to node G according to the Distance Vector Algorithm. Which hop will be the next hop ? dB(G)=4 dE(G)=3 dF(G)=2 2
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- Consider Distance Vector Routing for the following three-node network where the link labels indicate the associated links costs and the nodes are marked as x, y, and z. Derive and explain how many iterations are needed to stabilize the cost from z to x, when the cost of link (y,x) changes from 7 to 100Provide a brief description of the distance – vector algorithm as used for routing. For the following network, indicate node “C” learns when it gets the initial distance vector from node A , and then the initial distance vector from node B and then the initial distance vector from node D. What does C’s routing table look like at that point?Consider Pastry network that uses DHT, in which m=4 and b=2. Currently the network has 7 nodes, N01, N03, N11, N12, N20, N23, and N33, and 4 keys, K10, K13, K21, and K30. Although it is unrealistic, assume that the proximity metric between each two nodes is based on numerical closeness. The following path is the node N12’s routing response to the query asking for the key K30: A. N12 ► N33. B. N12 ► N33 ► N23. C. N12 ► N03 ► N33. D. None of the above.
- The following questions related to the given picture 3.1.1 Consider the network shown in the figure 3.1 above with four nodes. Cost links are shown in the diagram. Give the distance-vector routing tables for all the nodes in the network. Let node B to be the first node to broadcast its routing table.For the network configuration shown in Figure 1,(a) Using Dijkstra’s algorithm, generate a least-cost route to all other nodes if N2 is the source node(b) Using Bellman Ford’s algorithm, generate a least-cost route to all other nodes if N4 is the source node.Show the various stages of the algorithm using network diagrams and the updated routing table.In designing a communication network, the Minimum Spanning Tree is being used to show the connected subset of the original network graph showing the least amount of links needed to interconnect all the nodes based on all the link costs. Given the diagram below, create the minimum spanning tree (MST) using Kruskal’s Algorithm. With your final MST, find the sum of all the edge weights
- A graph showing the network routes of several nodes as shown in the figure. If the starting node = s and the destination node = 18. Calculate the closest path using: Fixed Routing Strategy and djikstra algorithmConsider the 6-node network shown below, with the given link costs. Using Dijkstra's algorithm, find the least cost path from source node u to all other destinations. Fill in the following table using the convention shown the text. I am having trouble identifying the D(u), p(u) of this table. Could you help me, please?Give an overview of the Distance Vector method of updating routing table information. In particular, explain using an example how information about a node failure propagates using this algorithm.
- Write down the steps taken by the distance vector routing algorithm when link (x-y) cost changes from 4 to 1 in figureConsider the network fragment shown below. X has only two attached neighbours, W and Y, with link costs as C(X,Y)=50, C(X,W)=8, C(Y,W)=4. W has a minimum-cost path to destination U (not shown) of 20, and Y has a minimum-cost path to U of 30. The complete paths from W and Y to U are not shown. All links in the network have strictly positive integer values. The network runs a distance vector routing algorithm (without poisoned reverse). Answer the following questions: What is the distance vector of X to destination U,DX(U)= ________ Suppose the link cost between X and Y decreases to 2.In response to the link cost change, the distance vector of X to destination U is updated to:DX(U) = _________ Suppose the link cost between W and X increases to 60 (link (X,Y) still has cost of C(X,Y)=50).Immediately after this cost increase, the distance vector of W to destination X will be updated to;DW(X) = __________Node W will then send routing updates to all its neighbours about this…Consider the 6-node network shown below, with the given link costs. Using Dijkstra's algorithm, find the least cost path from source node u to all other destinations and provide the resulting routing table. Show your work in tabular format.